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2. The world population is approximately 6.1 billion, and can be modeled by the function P(t) = 6.10 012 where population is measured in billions and time t is measured in years. How long will it take for the world population to double? Round answer to the nearest tenth. 3. Convert the following to the specified form. a. log : (512) = 1 b. e = 7 4. Use the properties of logarithms to solve for x. log bx - log $5 = log 62 - log (x - 3) 5. Graph by converting to exponential form first. You must graph at least 3 points. y = log 2(x + 4) 10 2 -10 -8 -6 -4 -2 2 4 6 8 10